At the dawn of humanity, long before the introduction of sin and selfish desire, a state of absolute harmony existed between the human body, the soul, and their ultimate purpose. The primary approach among commentators is that prior to eating from the Tree of Knowledge, the first man and woman were entirely devoid of an evil inclination. In this pristine reality, every physical limb and action was dedicated exclusively to fulfilling the will of God, without any pursuit of illicit pleasure or lust. Reproductive organs were viewed as entirely functional, no different from hands or a face, and procreation was simply a means to sustain the human race, much like eating or drinking [ספורנו, רד״ק, רש״י, מזרחי, מלבי״ם, קאסוטו, לבוש האורה]. Concepts of good and evil did not exist in terms of physical pleasure and revulsion; instead, humanity navigated the world solely through the binary of truth and falsehood [מזרחי]. Furthermore, the soul had not yet fully merged with the physical form. The body itself functioned as a kind of spiritual garment, rendering external, physical clothing completely unnecessary [מלבי״ם, אור החיים].
Shame, by its very nature, is a reaction. It awakens only when a person operates with free will and recognizes that physical desires can be manipulated for destructive ends, or when one feels the sting of disappointment for failing to live up to a spiritual ideal [שד״ל, קאסוטו, רש״ר הירש]. As long as the body and soul were perfectly united in serving God, there was simply no room for embarrassment. Consequently, the first couple walked completely exposed without the slightest instinct to hide, hesitate, or conceal themselves from one another [מחוקקי יהודה, אבן עזרא].
The dynamic between the man and his wife during this period of innocence offers a deeper look into their spiritual standing. Some suggest that their mutual lack of shame stemmed from different sources: the man was entirely attached to the Divine Presence and acted from a place of spiritual elevation, while the woman had not yet attained complete human intellect and therefore felt no disgrace in her natural desires [העמק דבר]. A related perspective proposes that the man existed on such a towering spiritual level that his absolute lack of shame naturally extended to his wife [מלבי״ם]. Conversely, others view their shared exposure as a powerful message of absolute moral equality. In this view, the same exacting standard of physical and spiritual innocence is expected from both men and women, without distinction [רש״ר הירש].
Ultimately, this profound state of unashamed innocence serves as the critical backdrop for the tragedy that follows. It explains the motivation of the serpent, who observed the couple engaging in marital relations openly, much like animals. Consumed by jealousy and coveting the woman for himself, the serpent was driven to tempt her with the fruit of the Tree of Knowledge [צאינה וראינה, אלשיך]. Only after the sin, when self-awareness and selfish lust were abruptly awakened, did shame enter the human experience. It transformed into the essential gatekeeper of human morality, compelling people to cover themselves in a lifelong effort to regulate their desires and attempt to reclaim a fraction of that lost innocence [חומש קה״ת, רש״ר הירש].